Paul appeals to the brothers and sisters, by the mercies of God, to present their bodies as a living sacrifice, holy and acceptable to God, which is their spiritual worship. They must not be conformed to this world but be transformed by the renewal of their mind, so that they may discern what is the will of God, what is good and acceptable and perfect.
He then asks for humility: no one should think of himself more highly than he ought, but think with sober judgment, according to the measure of faith God has assigned. As in one body there are many members with different functions, so believers are one body in Christ and individually members of one another. They have different gifts according to the grace given: prophecy, service, teaching, exhortation, the one who gives generously, the one who leads with zeal and the one who does acts of mercy with cheerfulness.
From verse 9 Paul offers a series of brief exhortations: let love be genuine, abhor what is evil and hold to what is good, love one another with brotherly affection, outdo one another in showing honor, do not be slothful in zeal, be fervent in spirit serving the Lord, rejoice in hope, be patient in tribulation and constant in prayer. They are to contribute to the needs of the saints and practice hospitality.
They are also to bless those who persecute them, rejoice with those who rejoice and weep with those who weep, live in harmony, not be haughty, and repay no one evil for evil. If possible, so far as it depends on them, they are to live peaceably with all. They must not take revenge but leave it to the wrath of God; if the enemy is hungry, they are to feed him. The chapter ends by saying: do not be overcome by evil, but overcome evil with good.